.tab {
    background-color: white;
    border-top-right-radius: 10px;
    padding: 5px;
    cursor: default;
    display: inline-block;
    margin-left:-3px;
    margin-bottom:4px;
    font-weight:700;
}

.selected {
    color:#000000;
    border-top: 2px solid #bbb;
    border-right: 2px solid #bbb;
    transform: translateY(-2px);
}

.unselected {
    color: #a0a0a0;
    border-top: 1px solid #bbb;
    border-right: 1px solid #bbb;
}